
/* reset */
* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}
a {
    text-decoration: none;
}
ul {
    list-style: none;
}
/* common css */
.clearfix::after {
    content: '';
    display: block; 
    clear: both;
}
.layout {
    width: 1000px;
    margin: 0 auto;
}
body {
    font: 14px/1.5 Arial;
    background-color: #eee;
    color: #444;
}